Solvay SA

AGM Information • Mar 4, 2020

Solvay Extraordinary General Shareholders' Meeting of April 3, 2020

Brussels, March 4, 2020 – Solvay calls an Extraordinary General Shareholders' Meeting which will be held on Friday April 3, 2020 at 11.00 a.m. (CET) at the corporate headquarters : Solvay SA, 310 rue de Ransbeek at 1120 Brussels.

To deliberate validly on the agenda, this meeting should meet at least half of its share capital. This meeting can't validly deliberate if it does not meet the required quorum. The experience of recent years is going in this direction.

A second extraordinary shareholders' meeting will therefore be called. It will be held on Tuesday, May 12, 2020 with the same agenda and proposed resolutions. You will be informed by official notification on Friday April 10, 2020.

All the documents relative to the Extraordinary General Shareholders' Meeting are available on www.solvay.com.

About Solvay

Solvay is an advanced materials and specialty chemicals company, committed to developing chemistry that addresses key societal challenges. Solvay innovates and partners with customers worldwide in many diverse end-markets. Its products are used in planes, cars, batteries, smart and medical devices, as well as in mineral and oil and gas extraction, enhancing efficiency and sustainability. Its lightweighting materials promote cleaner mobility, its formulations optimize the use of resources, and its performance chemicals improve air and water quality.

Solvay is headquartered in Brussels with around 24,100 employees in 64 countries. Net sales were €10.2 billion in 2019, with the vast majority of activities where Solvay ranks among the world's top 3 leaders, resulting in an EBITDA margin of 23%. Solvay SA (SOLB.BE) is listed on Euronext Brussels and Paris Bloomberg: SOLB.BB - Reuters: SOLB.BR), and in the United States its shares (SOLVY) are traded through a level-1 ADR program. (Figures take into account the planned divestment of Polyamides.) www.solvay.com

Media Contacts

Nathalie van Ypsersele Brian Carroll General Manager, Communications Head of Media Relations +32 2 2641550 +32 2 264 36 72 nathalie.vanypersele@solvay.com brian.carroll@solvay.com

Investor Relations

Jodi Allen Bisser Alexandrov Geoffroy d'Oultremont +1 6098604608 +32 2 264 3687 +32 2 264 2997 investor.relations@solvay.com

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